Battery and electronic device comprising same

Abstract

Embodiments of the present disclosure relate to a battery and an electronic device comprising same, the battery comprising: an electrode stack (6101) in which a plurality of electrode assemblies (610) including a cathode (611), an anode (612), and a separator (613) disposed between the cathode (611) and the anode (612) are stacked in the thickness direction; a battery case (510) including a case area, which cases the electrode stack (6101), and a protruding area (512), which extends from one side of the case area; a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding area (512); and electrode tabs (520) welded (710) to the plurality of substrate tabs (620) in the protruding area (512), wherein, in the protruding area (512), a portion of each of the electrode tabs (520) can be disposed in a folded state. Other various embodiments can also be included.

Description

Batteries and electronic devices containing them

[0001] Embodiments of the present disclosure relate to a battery and an electronic device including the same.

[0002] Recent advancements in portable electronic devices have led to the widespread use of secondary batteries, which store and output electrical energy. Lithium-ion batteries are lightweight, have high energy density, and possess excellent charge-discharge characteristics, and are widely used in portable electronic devices as well as in electric vehicles and energy storage systems (ESS).

[0003] A battery of an electronic device may include a battery cell including a positive electrode, a negative electrode, and an electrolyte, and a battery case that surrounds the outside of each battery cell to protect the battery cell.

[0004] The above information may be provided as background information to aid in understanding the present disclosure. No claim or determination is made as to whether any of the above is applicable as prior art in connection with the present disclosure.

[0005] Electronic devices are trending toward thinner and lighter designs to enhance portability. Efforts are continually being made to reduce the size and thickness of batteries to enhance their portability. Reducing battery size and thickness can reduce the energy density of batteries.

[0006] Embodiments of the present disclosure can provide a battery having high energy density and being easy to manufacture with a thin thickness, and an electronic device including the same.

[0007] The technical problems to be achieved in the present disclosure are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by a person having ordinary skill in the technical field to which the present invention pertains from the description below.

[0008] A battery (350) according to one embodiment of the present disclosure includes an electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are stacked in the thickness direction, a case region casing the electrode stack (6101), and a battery case (510) including a protruding region (512) extending from one side of the case region, a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding region (512), and an electrode tab (520) welded (710) to the plurality of substrate tabs (620) in the protruding region (512), wherein a portion of the electrode tabs (520) may be disposed in a folded state in the protruding region (512).

[0009] An electronic device according to one embodiment of the present disclosure includes a housing and a battery (350) disposed inside the housing, wherein the battery (350) includes an electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are stacked in a thickness direction, a case region casing the electrode stack (6101), and a battery case (510) including a protruding region (512) extending from one side of the case region, a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding region (512), and an electrode tab (520) welded (710) to the plurality of substrate tabs (620) in the protruding region (512), wherein a portion of the electrode tabs (520) may be disposed in a folded state in the protruding region (512).

[0010] According to embodiments of the present disclosure, a battery can be easily manufactured with a thin thickness while increasing energy density.

[0011] According to embodiments of the present disclosure, an electronic device can have increased portability and increased usage time by including a thin battery while increasing energy density.

[0012] In addition, various effects may be provided, either directly or indirectly, through this document.

[0013] Other aspects, features and advantages according to specific embodiments of the present disclosure will become more apparent from the accompanying drawings and the corresponding description.

[0014] FIG. 1 is a block diagram of an electronic device within a network environment according to one embodiment.

[0015] FIG. 2 is a perspective view of the front of an electronic device (e.g., a mobile electronic device) according to various embodiments of the present disclosure.

[0016] FIG. 3 is a perspective view of the rear surface of the electronic device of FIG. 1 according to various embodiments of the present disclosure.

[0017] FIG. 4 is an exploded perspective view of the electronic device of FIG. 1 according to various embodiments of the present disclosure.

[0018] FIG. 5 is a perspective view illustrating a portion of a battery according to one embodiment.

[0019] FIG. 6 is a perspective view schematically illustrating the interior of a battery according to one embodiment.

[0020] FIG. 7 is a cross-sectional view of a battery according to one embodiment, showing an example of the battery before the protruding area is folded.

[0021] FIG. 8A is a cross-sectional view of a portion of a battery according to one embodiment.

[0022] FIG. 8b is a cross-sectional view of another portion of a battery according to one embodiment.

[0023] FIG. 9 is a cross-sectional view of a battery according to one embodiment, showing an example of the battery before the protruding area is folded.

[0024] FIG. 10A is a cross-sectional view of a portion of a battery according to one embodiment.

[0025] FIG. 10b is a cross-sectional view of another portion of a battery according to one embodiment.

[0026] Fig. 11 is a conceptual diagram illustrating a state in which a protective film and a circuit film are attached to a battery according to one embodiment.

[0027] FIG. 12 is a cross-sectional view of a portion of a battery with a protective film attached according to one embodiment.

[0028] FIG. 13 is a cross-sectional view of a portion of a battery with an FPCB coupled thereto according to one embodiment.

[0029] Fig. 14 is a cross-sectional view of a portion of a battery with an FPCB coupled thereto according to another embodiment.

[0030] Each of the embodiments described with reference to the drawings of the present disclosure can be independently configured as a single embodiment. For example, the embodiments of FIG. 1 and FIG. 2 can each be independently configured. Each of the embodiments described with reference to the drawings of the present disclosure can operate independently as a single embodiment. For example, the embodiments of FIG. 1 and FIG. 2 can each operate independently.

[0031] At least two embodiments described with reference to the drawings of the present disclosure may be combined and configured. For example, at least a portion of the embodiment of FIG. 1 and at least a portion of the embodiment of FIG. 2 may be combined and configured. At least two embodiments described with reference to the drawings of the present disclosure may be combined and operated. For example, at least a portion of the embodiment of FIG. 1 and at least a portion of the embodiment of FIG. 2 may be combined and operated.

[0032] When at least two embodiments described with reference to the drawings of the present disclosure are combined, at least some of the components and / or at least some of the operations included in each embodiment may be omitted. For example, when the embodiment of FIG. 1 and the embodiment of FIG. 2 are combined, at least some of the components and / or at least some of the operations included in the embodiment of FIG. 1 may be omitted, and at least some of the components and / or at least some of the operations included in the embodiment of FIG. 2 may be omitted.

[0033] FIG. 1 is a block diagram of an electronic device (101) within a network environment (100) according to various embodiments. Referring to FIG. 1, in the network environment (100), the electronic device (101) may communicate with the electronic device (102) via a first network (198) (e.g., a short-range wireless communication network), or may communicate with at least one of the electronic device (104) or the server (108) via a second network (199) (e.g., a long-range wireless communication network). According to one embodiment, the electronic device (101) may communicate with the electronic device (104) via the server (108). According to one embodiment, the electronic device (101) may include a processor (120), a memory (130), an input module (150), an audio output module (155), a display module (160), an audio module (170), a sensor module (176), an interface (177), a connection terminal (178), a haptic module (179), a camera module (180), a power management module (188), a battery (189), a communication module (190), a subscriber identification module (196), or an antenna module (197). In some embodiments, the electronic device (101) may omit at least one of these components (e.g., the connection terminal (178)), or may have one or more other components added. In some embodiments, some of these components (e.g., the sensor module (176), the camera module (180), or the antenna module (197)) may be integrated into one component (e.g., the display module (160)).

[0034] The processor (120) may, for example, execute software (e.g., a program (140)) to control at least one other component (e.g., a hardware or software component) of the electronic device (101) connected to the processor (120) and perform various data processing or calculations. According to one embodiment, as at least a part of the data processing or calculations, the processor (120) may store commands or data received from other components (e.g., a sensor module (176) or a communication module (190)) in a volatile memory (132), process the commands or data stored in the volatile memory (132), and store result data in a non-volatile memory (134). According to one embodiment, the processor (120) may include a main processor (121) (e.g., a central processing unit or an application processor) or a secondary processor (123) (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor)) that can operate independently or together therewith. For example, if the electronic device (101) includes a main processor (121) and a secondary processor (123), the secondary processor (123) may be configured to use less power than the main processor (121) or to be specialized for a specified function. The secondary processor (123) may be implemented separately from the main processor (121) or as a part thereof.

[0035] The auxiliary processor (123) may control at least a portion of functions or states associated with at least one component (e.g., a display module (160), a sensor module (176), or a communication module (190)) of the electronic device (101), for example, on behalf of the main processor (121) while the main processor (121) is in an inactive (e.g., sleep) state, or together with the main processor (121) while the main processor (121) is in an active (e.g., application execution) state. In one embodiment, the auxiliary processor (123) (e.g., an image signal processor or a communication processor) may be implemented as a part of another functionally related component (e.g., a camera module (180) or a communication module (190)). In one embodiment, the auxiliary processor (123) (e.g., a neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. The artificial intelligence models may be generated through machine learning. This learning can be performed, for example, on the electronic device (101) itself where the artificial intelligence model is executed, or can be performed through a separate server (e.g., server (108)). The learning algorithm can include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above. The artificial intelligence model can include multiple artificial neural network layers.The artificial neural network may be one of a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to, or alternatively to, a hardware structure, an artificial intelligence model may include a software structure.

[0036] The memory (130) can store various data used by at least one component (e.g., processor (120) or sensor module (176)) of the electronic device (101). The data can include, for example, software (e.g., program (140)) and input data or output data for commands related thereto. The memory (130) can include volatile memory (132) or non-volatile memory (134).

[0037] The program (140) may be stored as software in the memory (130) and may include, for example, an operating system (142), middleware (144), or an application (146).

[0038] The input module (150) can receive commands or data to be used in a component of the electronic device (101) (e.g., a processor (120)) from an external source (e.g., a user) of the electronic device (101). The input module (150) can include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).

[0039] The audio output module (155) can output audio signals to the outside of the electronic device (101). The audio output module (155) can include, for example, a speaker or a receiver. The speaker can be used for general purposes, such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. In one embodiment, the receiver can be implemented separately from the speaker or as part of the speaker.

[0040] The display module (160) can visually provide information to an external party (e.g., a user) of the electronic device (101). The display module (160) may include, for example, a display, a holographic device, or a projector and a control circuit for controlling the device. In one embodiment, the display module (160) may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of a force generated by the touch.

[0041] The audio module (170) can convert sound into an electrical signal, or vice versa, convert an electrical signal into sound. According to one embodiment, the audio module (170) can acquire sound through the input module (150), output sound through the sound output module (155), or an external electronic device (e.g., electronic device (102)) (e.g., speaker or headphone) directly or wirelessly connected to the electronic device (101).

[0042] The sensor module (176) can detect the operating status (e.g., power or temperature) of the electronic device (101) or the external environmental status (e.g., user status) and generate an electrical signal or data value corresponding to the detected status. According to one embodiment, the sensor module (176) can include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0043] The interface (177) may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device (101) with an external electronic device (e.g., the electronic device (102)). In one embodiment, the interface (177) may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

[0044] The connection terminal (178) may include a connector through which the electronic device (101) may be physically connected to an external electronic device (e.g., electronic device (102)). According to one embodiment, the connection terminal (178) may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (e.g., a headphone connector).

[0045] A haptic module (179) can convert electrical signals into mechanical stimuli (e.g., vibration or movement) or electrical stimuli that a user can perceive through tactile or kinesthetic sensations. In one embodiment, the haptic module (179) can include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

[0046] The camera module (180) can capture still images and videos. According to one embodiment, the camera module (180) may include one or more lenses, image sensors, image signal processors, or flashes.

[0047] The power management module (188) can manage power supplied to the electronic device (101). According to one embodiment, the power management module (188) can be implemented, for example, as at least a part of a power management integrated circuit (PMIC).

[0048] A battery (189) may power at least one component of the electronic device (101). In one embodiment, the battery (189) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0049] The communication module (190) may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device (101) and an external electronic device (e.g., electronic device (102), electronic device (104), or server (108)), and the performance of communication through the established communication channel. The communication module (190) may operate independently from the processor (120) (e.g., application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module (190) may include a wireless communication module (192) (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module (194) (e.g., a local area network (LAN) communication module, or a power line communication module). Among these communication modules, the corresponding communication module can communicate with an external electronic device (104) via a first network (198) (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network (199) (e.g., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)). These various types of communication modules can be integrated into a single component (e.g., a single chip) or implemented as multiple separate components (e.g., multiple chips). The wireless communication module (192) can verify or authenticate the electronic device (101) within a communication network such as the first network (198) or the second network (199) by using subscriber information (e.g., an international mobile subscriber identity (IMSI)) stored in the subscriber identification module (196).

[0050] The wireless communication module (192) can support 5G networks and next-generation communication technologies following the 4G network, such as NR access technology (new radio access technology). The NR access technology can support high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and connection of multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency communications)). The wireless communication module (192) can support, for example, a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate. The wireless communication module (192) can support various technologies for securing performance in a high-frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module (192) can support various requirements specified in the electronic device (101), an external electronic device (e.g., the electronic device (104)), or a network system (e.g., the second network (199)). According to one embodiment, the wireless communication module (192) can support a peak data rate (e.g., 20 Gbps or more) for eMBB realization, a loss coverage (e.g., 164 dB or less) for mMTC realization, or a U-plane latency (e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip) for URLLC realization.

[0051] The antenna module (197) can transmit or receive signals or power to or from an external device (e.g., an external electronic device). In one embodiment, the antenna module (197) may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (e.g., a PCB). In one embodiment, the antenna module (197) may include a plurality of antennas (e.g., an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network, such as the first network (198) or the second network (199), may be selected from the plurality of antennas by, for example, the communication module (190). A signal or power may be transmitted or received between the communication module (190) and an external electronic device through the selected at least one antenna. In some embodiments, in addition to the radiator, another component (e.g., a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module (197).

[0052] According to various embodiments, the antenna module (197) may form a mmWave antenna module. According to one embodiment, the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent a first side (e.g., a bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., a mmWave band), and a plurality of antennas (e.g., an array antenna) disposed on or adjacent a second side (e.g., a top side or a side side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band.

[0053] At least some of the above components can be interconnected and exchange signals (e.g., commands or data) with each other via a communication method between peripheral devices (e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).

[0054] According to one embodiment, commands or data may be transmitted or received between the electronic device (101) and an external electronic device (104) via a server (108) connected to a second network (199). Each of the external electronic devices (102 or 104) may be the same or a different type of device as the electronic device (101). According to one embodiment, all or part of the operations executed in the electronic device (101) may be executed in one or more of the external electronic devices (102, 104, or 108). For example, when the electronic device (101) is to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device (101) may, instead of or in addition to executing the function or service itself, request one or more external electronic devices to perform the function or at least a part of the service. One or more external electronic devices that receive the request may execute at least a portion of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device (101). The electronic device (101) may process the result as is or additionally and provide it as at least a portion of a response to the request. For this purpose, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used, for example. The electronic device (101) may provide an ultra-low latency service by using distributed computing or mobile edge computing, for example. In another embodiment, the external electronic device (104) may include an Internet of Things (IoT) device. The server (108) may be an intelligent server utilizing machine learning and / or a neural network. According to one embodiment, the external electronic device (104) or the server (108) may be included in the second network (199).The electronic device (101) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0055] Electronic devices according to various embodiments disclosed in the present disclosure may take various forms. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of the present disclosure are not limited to the aforementioned devices.

[0056] The various embodiments of the present disclosure and the terminology used therein are not intended to limit the technical features described in the present disclosure to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the items, unless the context clearly indicates otherwise. In the present disclosure, each of the phrases "A or B," "at least one of A and B," "at least one of A or B," "A, B, or C," "at least one of A, B, and C," and "at least one of A, B, or C" can include any one of the items listed together in the corresponding phrase among the phrases, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used merely to distinguish one component from another, and do not limit the components in any other respect (e.g., importance or order). When a component (e.g., a first component) is referred to as "coupled" or "connected" to another (e.g., a second component), with or without the terms "functionally" or "communicatively," it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0057] The term "module" used in various embodiments of the present disclosure may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. A module may be an integral component, or a minimum unit or part of such a component that performs one or more functions. For example, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0058] Various embodiments of the present disclosure may be implemented as software (e.g., a program (140)) including one or more commands stored in a storage medium (e.g., an internal memory (136) or an external memory (138)) readable by a machine (e.g., an electronic device (101)). For example, a processor (e.g., a processor (120)) of the machine (e.g., an electronic device (101)) may call at least one command among the one or more commands stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one command called. The one or more commands may include code generated by a compiler or code executable by an interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' simply means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently or temporarily on the storage medium.

[0059] According to one embodiment, the method according to various embodiments disclosed in the present disclosure may be provided as a computer program product. The computer program product may be traded between sellers and buyers as a product. The computer program product may be distributed in the form of a device-readable storage medium (e.g., compact disc read-only memory (CD-ROM)) or may be provided through an application store (e.g., Play Store). TM ) or directly between two user devices (e.g., smart phones), online distribution (e.g., downloading or uploading). In the case of online distribution, at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or an intermediary server.

[0060] According to various embodiments, each component (e.g., a module or a program) of the above-described components may include one or more entities, and some of the entities may be separated and placed in other components. According to various embodiments, one or more components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (e.g., a module or a program) may be integrated into a single component. In such a case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. According to various embodiments, the operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or one or more other operations may be added.

[0061] FIG. 2 is a perspective view of the front of an electronic device (101) (e.g., a mobile electronic device) according to various embodiments of the present disclosure. FIG. 3 is a perspective view of the rear of the electronic device (101) of FIG. 1 according to various embodiments of the present disclosure.

[0062] Referring to FIGS. 2 and 3 , an electronic device (101) according to one embodiment (e.g., the electronic device (101) of FIG. 1 ) may include a housing (210) that includes a first side (or front side) (210A), a second side (or back side) (210B), and a side surface (210C) that surrounds a space between the first side (210A) and the second side (210B). In another embodiment, the housing (210) may refer to a structure that forms a portion of the first side (210A), the second side (210B), and the side surface (210C) of FIG. 1 . According to one embodiment, the first side (210A) may be formed by a front plate (202) that is at least partially substantially transparent (e.g., a glass plate or a polymer plate including various coating layers). The second side (210B) may be formed by a substantially opaque back plate (211). The back plate (211) may be formed of, for example, coated or colored glass, ceramic, polymer, metal (e.g., aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the materials. The side surface (210C) may be formed by a side bezel structure (218) (or “side member”) that is coupled to the front plate (202) and the back plate (211) and comprises a metal and / or polymer. In some embodiments, the back plate (211) and the side bezel structure (218) may be formed integrally and comprise the same material (e.g., a metal material such as aluminum).

[0063] In the illustrated embodiment, the front plate (202) may include a first region (210D) that extends seamlessly from the first side (210A) toward the back plate (211), at both ends of a long edge of the front plate (202). In the illustrated embodiment (see FIG. 2), the back plate (211) may include a second region (210E) that extends seamlessly from the second side (210B) toward the front plate (202), at both ends of the long edge. In some embodiments, the front plate (202) or the back plate (211) may include only one of the first region (210D) or the second region (210E). In some embodiments, the front plate (202) may not include the first region and the second region, but may only include a flat plane that is arranged parallel to the second side (210B). In embodiments, when viewed from the side of the electronic device, the side bezel structure (218) may have a first thickness (or width) on the side that does not include the first region (210D) or the second region (210E) as described above, and may have a second thickness that is thinner than the first thickness on the side that includes the first region (210D) or the second region (210E).

[0064] According to one embodiment, the electronic device (101) may include at least one of a display (201) (e.g., the display module (160) of FIG. 1), an input device (203) (e.g., the input module (150) of FIG. 1), an audio output device (207, 214) (e.g., the audio output module (155) of FIG. 1), a sensor module (204, 219) (e.g., the sensor module (176) of FIG. 1), a camera module (205, 212) (e.g., the camera module (180) of FIG. 1), a key input device (217), an indicator, and a connector (208). In some embodiments, the electronic device (101) may omit at least one of the components (e.g., the key input device (217) or the indicator) or may additionally include other components.

[0065] The display (201) may be exposed, for example, through an upper portion of the front plate (202). In some embodiments, at least a portion of the display (201) may be exposed through the front plate (202), which forms a first area (210D) of a first surface (210A) and a side surface (210C). The display (201) may be coupled to or disposed adjacent to a touch sensing circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and / or a digitizer for detecting a magnetic field-type stylus pen. In some embodiments, at least a portion of the sensor modules (204, 219), and / or at least a portion of the key input device (217), may be disposed in the first area (210D), and / or the second area (210E).

[0066] The input device (203) may include a microphone (203). In some embodiments, the input device (203) may include a plurality of microphones (203) arranged to detect the direction of sound. The audio output device (207, 214) may include speakers (207, 214). The speakers (207, 214) may include an external speaker (207) and a call receiver (214). In some embodiments, the microphone (203), the speakers (207, 214), and the connector (208) may be arranged at least partially in the internal space of the electronic device (101) and may be exposed to the external environment through at least one hole formed in the housing (210). In some embodiments, the hole formed in the housing (210) may be used in common for the microphone (203) and the speakers (207, 214). In some embodiments, the audio output device (207, 214) may include a speaker (e.g., a piezo speaker) that operates without the hole formed in the housing (210).

[0067] The sensor module (204, 219) can generate an electrical signal or data value corresponding to an internal operating state of the electronic device (101) or an external environmental state. The sensor module (204, 219) can include, for example, a first sensor module (204) (e.g., a proximity sensor) and / or a second sensor module (e.g., a fingerprint sensor) disposed on a first surface (210A) of the housing (210), and / or a third sensor module (219) (e.g., an HRM sensor) disposed on a second surface (210B) of the housing (210). The fingerprint sensor can be disposed on the first surface (210A) of the housing (210) (e.g., a home key button), a portion of the second surface (210B), and / or under the display (201). The electronic device (101) may further include at least one of a sensor module not shown, for example, a gesture sensor, a gyro sensor, a pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, a proximity sensor, or an illuminance sensor.

[0068] The camera modules (205, 212) may include a first camera module (205) disposed on a first side (210A) of the electronic device (101), a second camera module (212) disposed on a second side (210B), and / or a flash (213). The camera modules (205, 212) may include one or more lenses, an image sensor, and / or an image signal processor. The flash (213) may include, for example, a light emitting diode or a xenon lamp. In some embodiments, two or more lenses (a wide-angle lens, an ultra-wide-angle lens, or a telephoto lens) and image sensors may be disposed on one side of the electronic device (101).

[0069] The key input device (217) may be positioned on a side surface (210C) of the housing (210). In other embodiments, the electronic device (101) may not include some or all of the mentioned key input devices (217), and the key input devices (217) that are not included may be implemented in other forms, such as soft keys, on the display (201). In another embodiment, the key input device (217) may be implemented using a pressure sensor included in the display (201).

[0070] The indicator may be disposed, for example, on the first surface (210A) of the housing (210). The indicator may provide, for example, status information of the electronic device (101) in the form of light (e.g., a light-emitting element). In another embodiment, the light-emitting element may provide, for example, a light source that is linked to the operation of the camera module (205). The indicator may include, for example, an LED, an IR LED, and / or a xenon lamp.

[0071] The connector hole (208) may include a first connector hole (208) that can accommodate a connector (e.g., a USB (universal serial bus) connector) for transmitting and receiving power and / or data with an external electronic device, and / or a second connector hole (or earphone jack) that can accommodate a connector for transmitting and receiving audio signals with an external electronic device.

[0072] Some of the camera modules (205, 212), some of the sensor modules (204, 219), or indicators may be arranged to be exposed through the display (201). For example, the camera module (205), the sensor module (204), or the indicator may be arranged to be in contact with the external environment through a through-hole perforated from the internal space of the electronic device (101) to the front plate (202) of the display (201). In another embodiment, some of the sensor modules (204) may be arranged to perform their functions without being visually exposed through the front plate (202) in the internal space of the electronic device. For example, an area of ​​the display (201) facing the sensor module may not require a through-hole.

[0073] FIG. 4 is an exploded perspective view of the electronic device of FIGS. 2 and 3 according to various embodiments of the present disclosure.

[0074] The electronic device (300) of FIG. 4 may be at least partially similar to the electronic device (101) of FIGS. 2 and 3, or may include other embodiments of the electronic device.

[0075] Referring to FIG. 4, the electronic device (300) (e.g., the electronic device (101) of FIGS. 2 and 3) may include a side member (310) (e.g., the side bezel structure (218) of FIGS. 2 and 3), a first support member (311) (e.g., a bracket or support structure), a front cover (320) (e.g., the front plate (202) of FIG. 2), a display (330), a substrate (340), a battery (350), a second support member (360) (e.g., a rear case), an antenna (370), and a rear cover (380) (e.g., the rear plate (211) of FIG. 3). In some embodiments, the electronic device (300) may omit at least one of the components (e.g., the first support member (311) or the second support member (360)) or may additionally include other components. At least one of the components of the electronic device (300) may be identical or similar to at least one of the components of the electronic device (101) of FIG. 2 or FIG. 3, and any overlapping description will be omitted below.

[0076] The first support member (311) may be disposed inside the electronic device (300) and connected to the side member (310), or may be formed integrally with the side member (310). The first support member (311) may be formed of, for example, a metallic material and / or a non-metallic (e.g., polymer) material. The first support member (311) may have a display (330) coupled to one surface and a substrate (340) coupled to the other surface. A processor (e.g., the processor (120) of FIG. 1), a memory (e.g., the memory (130) of FIG. 1), and / or an interface (e.g., the interface (177) of FIG. 1) may be mounted on the substrate (340).

[0077] The battery (350) is a device for supplying power to at least one component of the electronic device (300), and may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell. At least a portion of the battery (350) may be disposed substantially on the same plane as the substrate (340), for example. The battery (350) may be integrally disposed within the electronic device (300). In another embodiment, the battery (350) may be disposed so as to be detachable from the electronic device (300).

[0078] The antenna (370) may be positioned between the rear cover (380) and the battery (350). The antenna (370) may include, for example, a near field communication (NFC) antenna, a wireless charging antenna, and / or a magnetic secure transmission (MST) antenna. The antenna (370) may, for example, perform short-range communication with an external device or wirelessly transmit and receive power required for charging. In another embodiment, the antenna structure may be formed by a part or a combination of the side bezel structure (310) and / or the first support member (311).

[0079] FIG. 5 is a perspective view illustrating a portion of a battery (350) according to one embodiment. FIG. 6 is a perspective view schematically illustrating the interior of a battery (350) according to one embodiment. For example, the battery (350) illustrated in FIGS. 5 and 6 may be at least partially similar to the battery (350) of FIG. 4.

[0080] Referring to FIGS. 5 and 6, a battery (350) according to one embodiment may be a stack-type battery (350). According to one embodiment, the battery (350) may include an electrode stack (6101) in which at least one electrode assembly (610) is stacked in the thickness direction.

[0081] In one embodiment, at least one electrode assembly (610) may include an anode (611), a cathode (612), and a separator (613) disposed between the anode (611) and the cathode (612). In one embodiment, a plurality of electrode assemblies (610) may be stacked in the thickness direction to form an electrode stack (6101).

[0082] According to one embodiment, the positive electrode (611) may be an electrode that operates as a cathode when the battery (350) is discharged. The positive electrode (611) may absorb lithium ions from an electrolyte included in the battery (350) to form a lithium compound. The positive electrode (611) may be an electrode that operates as an anode and releases lithium ions when charged. The positive electrode (611) may include a positive electrode current collector including a metal plate such as aluminum, and a positive electrode active material. The cathode active material may include a lithium compound, for example, lithium cobalt oxide (LixCoO2), lithium nickel oxide (LixNiO2), lithium nickel cobalt oxide (Lix(NiCo)O2), lithium nickel cobalt manganese oxide (Lix(NiCoMn)O2), lithium nickel cobalt aluminum oxide (Lix(NiCoAl)O2), spinel type lithium manganese oxide (LixMn2O4), manganese dioxide (MnO2), lithium iron phosphate (LixFePO4), and / or olivine type compounds such as lithium manganese phosphate (LixMnPO4).

[0083] In one embodiment, the negative electrode (612) may act as an anode when the battery (350) is discharged and release lithium ions into the electrolyte included in the battery (350). The negative electrode (612) may be an electrode that acts as a cathode when the battery is charged and stores reduced lithium atoms. The negative electrode (612) may include a negative electrode current collector including a metal plate such as copper, and a negative electrode active material. The negative electrode active material may include, for example, artificial and / or natural graphite that stores lithium by intercalation, various silicon-based compounds such as silicon oxide, silicon nitride, and / or silicon carbide, and / or lithium metal or various alloys or metal compounds thereof that store lithium in a metallic phase.

[0084] In one embodiment, the separator (613) may be a member that prevents electrical contact between the positive electrode (611) and the negative electrode (612) while allowing lithium ions to pass through. In one embodiment, the separator (613) may include a polymer material such as polyethylene or polypropylene having micropores of a size that allows the passage of lithium ions.

[0085] In one embodiment, the battery (350) may include a battery case (510) that encases the electrode stack (6101). The term "battery case (510)" in this disclosure may be used interchangeably with terms such as pouch. The battery case (510) may include a metal (e.g., aluminum or stainless steel), a polymer material, and / or a composite thereof.

[0086] The battery case (510) may include a case region (511) that encases the electrode stack (6101), and a protruding region (512) extending from one side of the case region (511). In the present disclosure, the term “protruding region (512)” may be used interchangeably with terms such as “terrace region.” According to one embodiment, a bottom surface (512a) of the protruding region (512) (e.g., 512a of FIG. 8) may be substantially the same height as a bottom surface (511a of FIG. 8) of the battery case (510). Electrode tabs (520) may be spaced apart from each other on the protruding region (512). The electrode tabs (520) may include a first electrode tab (521) electrically connected to the positive electrode (611), and a second electrode tab (522) electrically connected to the negative electrode (612). The first electrode tab (521) and the second electrode tab (522) can be spaced apart from each other in the protruding area (512).

[0087] According to one embodiment, at least one of the electrode assemblies (610) can include at least one substrate tab (620) extending from each of the anode (611) and the cathode (612). For example, some of the at least one substrate tab (620) can be substrate tabs (621) extending from the anode (611) of the electrode stack (6101), and other of the at least one substrate tab (620) can be substrate tabs (622) extending from the cathode (612) of the electrode stack (6101).

[0088] In one embodiment, the at least one substrate tab (620) may include a first substrate tab (621) connected to the positive electrode (611) and a second substrate tab (622) connected to the negative electrode (612). For example, the at least one substrate tab (620) may include at least one first substrate tab (621) electrically connected to the positive electrodes (611) of the electrode stack (6101) and at least one second substrate tab (622) electrically connected to the negative electrodes (612) of the electrode stack (6101). In one embodiment, the first substrate tab (621) and the second substrate tab (622) may be spaced apart from each other within the battery case (510).

[0089] According to one embodiment, at least one substrate tab (620) extending from at least one electrode assembly (610) may be arranged to extend from a case area (511) of the battery case (510) to a protruding area (512). For example, at least one substrate tab (620) may extend from an interior of the battery case (510) to the protruding area (512). Accordingly, at least one substrate tab (620) may be arranged to extend in one direction of the battery case (510) (e.g., in the direction in which the protruding area (512) is located).

[0090] According to one embodiment, at least one substrate tab (620) extending into the protruding region (512) may be welded (e.g., 710 of FIG. 7) to an electrode tab (520) at the protruding region (512). In the present disclosure, the term “electrode tab (520)” may be used interchangeably with terms such as hard tab.

[0091] FIG. 7 is a cross-sectional view of a battery (350) according to one embodiment, showing an example before folding a protruding area (e.g., protruding area (512) of FIG. 5). FIG. 8A is a cross-sectional view of a portion of a battery (350) according to one embodiment. FIG. 8B is a cross-sectional view of another portion of a battery according to one embodiment. For example, the battery (350) illustrated in FIGS. 7 to 8B may be at least partially similar to the battery (350) illustrated in FIG. 4.

[0092] Referring to FIGS. 7, 8A, and 8B, according to one embodiment, at least one substrate tab (620) may include at least one first substrate tab (621) connected to at least one positive electrode (611), and at least one second substrate tab (622) connected to at least one negative electrode (612). The first substrate tab (621) and the second substrate tab (622) may be spaced apart from each other within the battery case (510). For example, the at least one substrate tab (620) may include at least one first substrate tab (621) electrically connected to the positive electrodes (611) of the electrode stack (6101), and at least one second substrate tab (622) electrically connected to the negative electrodes (612) of the electrode stack (6101), which may be spaced apart from each other.

[0093] In FIGS. 7 and 8A, at least one first substrate tab (621) electrically connected to the positive electrodes (611) of the electrode stack (6101) is illustrated as 621a, 621b, 621c, and 621d, but the present disclosure is not limited thereto. At least one first substrate tab (621) may be bundled together in a single bundle shape inside the battery case (510) (e.g., inside the case area (511)).

[0094] In FIG. 8b, at least one second substrate tab (622) electrically connected to the cathodes (612) of the electrode stack (6101) is illustrated as 622a, 622b, and 622c, but the present disclosure is not limited thereto. At least one second substrate tab (622) may be bundled together in a single bundle shape inside the battery case (510) (e.g., inside the case area (511)).

[0095] According to one embodiment, as shown by reference numeral 701 of FIG. 7, at least one of the first substrate tabs (621) that are bunched together may be arranged to be bent. For example, the at least one first substrate tab (621) that is bunched together may be bent in the shape of the English alphabet "V." Although not illustrated, the at least one second substrate tab (622) that is bunched together may be arranged to be bent in a shape similar to the at least one first substrate tab (621) that is bunched together. For example, the at least one second substrate tab (622) that is bunched together may be bent in the shape of the English alphabet "V."

[0096] According to one embodiment, a battery (350) can reduce defects such as short circuits when the battery (350) is dropped by bending at least one first substrate tab (621) and at least one second substrate tab (622).

[0097] According to one embodiment, at least one first substrate tab (621) and at least one second substrate tab (622) can extend into the protruding region (512) and be welded (710) to electrode tabs (520) (e.g., the first electrode tab (521) and the second electrode tab (522)) at the protruding region (512). For example, at least one first substrate tab (621) can extend into the protruding region (512) and be welded (710) to the first electrode tab (521) at the protruding region (512). For example, at least one second substrate tab (622) can extend into the protruding region (512) and be welded to the second electrode tab (522) at the protruding region (512). In FIGS. 7 and 8A, reference numeral 710 represents a welding region (710) where at least one first substrate tab (621) and the first electrode tab (521) are welded to each other. In FIGS. 7 and 8B, reference numeral 710 represents a welding region (710) where at least one second substrate tab (622) and a first electrode tab (522) are welded to each other. In one embodiment, the welding region (e.g., 710 in FIGS. 7, 8A, and 8B) where the electrode tab (520) and at least one substrate tab (620) are welded may be located in a portion of a protruding region (512) adjacent to the case region (511).

[0098] According to one embodiment, as shown by reference numeral 702 in FIG. 7, a portion of the electrode tab (520) may be folded in the protruding region (512). Accordingly, as illustrated in FIG. 8, the battery (350) according to one embodiment may be arranged such that a portion of the electrode tab (520) is folded in the protruding region (512).

[0099] In another embodiment, although not shown, in the protruding region (512), the electrode tab (520) and / or a portion of the plurality of substrate tabs (620) that are welded (710) to the electrode tab (520) may be positioned in a folded state.

[0100] In one embodiment, the battery (350) can increase the capacity of the battery (350) by not welding (710) the electrode tabs (520) and at least one substrate tab (620) to each other in the protruding region (512) inside the battery case (510) (e.g., inside the case area (511)), but by welding (710) them to each other. For example, in one embodiment, the battery (350) can increase the volume occupied by the electrode stack (6101) inside the case (510) by not welding the electrode tabs (520) and the substrate tabs (620) inside the battery case (510) (e.g., inside the case area (511)), thereby increasing the energy density.

[0101] In one embodiment, the battery (350) may further include a sealing member (720) covering a portion of the electrode tab (520) in the protruding region (512). For example, the sealing member (720) may cover a portion of at least one electrode tab (520).

[0102] According to one embodiment, as a portion of the electrode tab (520) is folded, the electrode tab (520) may be divided into the following parts. For example, the electrode tab (520) may include a first part (521a) that is welded (710) with at least one substrate tab (620), a second part (521b) that extends from the first part (521a) and is covered by a sealing member (720), and a third part (521c) that extends from the second part (521b) and is positioned to be exposed to the outside of the battery case (510).

[0103] In one embodiment, the electrode tab (520) can be folded such that the first portion (521a) and the second portion (521b) at least partially overlap each other, and the second portion (521b) and the third portion (521c) at least partially overlap each other. Accordingly, at least a portion of the second portion (521b) can be positioned between the first portion (521a) and the third portion (521c). In one embodiment, in the electrode tab (520), the third portion (521c) can be positioned on the second portion (521b).

[0104] According to one embodiment, as illustrated in FIGS. 8A and 8B , the bottom surface (511a) of the case area (511) of the battery case (510) and the bottom surface (512a) of the protruding area (512) of the battery case (510) may not form a step. For example, when viewed from a cut surface of the battery (350), the height of the bottom surface (511a) of the case area (511) of the battery case (510) and the height of the bottom surface (512a) of the protruding area (512) of the battery case (510) may be the same or substantially the same.

[0105] FIG. 9 is a cross-sectional view of a battery (350) according to one embodiment, showing an example before the protruding region (512) is folded. FIG. 10A is a cross-sectional view of a portion of a battery (350) according to one embodiment. FIG. 10B is a cross-sectional view of another portion of a battery according to one embodiment. For example, the batteries (350) illustrated in FIGS. 9, 10A, and 10B may be at least partially similar to the battery (350) illustrated in FIG. 4.

[0106] The battery (350) according to one embodiment illustrated in FIGS. 9, 10A, and 10B, unlike the battery (350) illustrated in FIGS. 7, 8A, and 8B, may not have at least one substrate tab (620) bent. Hereinafter, only the embodiments of FIGS. 9, 10A, and 10B that differ from the embodiments of FIGS. 7, 8A, and 8B will be described. Accordingly, features not described in the embodiments of FIGS. 9, 10A, and 10B will be replaced with the description of the embodiments of FIGS. 7, 8A, and 8B.

[0107] Referring to FIGS. 9, 10A and 10B, at least one tab (620) according to one embodiment may include at least one first substrate tab (621) connected to at least one positive electrode (611), and at least one second substrate tab (622) connected to at least one negative electrode (612). The first substrate tab (621) and the second substrate tab (622) may be spaced apart from each other within the battery case (510). For example, the at least one substrate tab (620) may include at least one first substrate tab (621) electrically connected to the positive electrodes (611) of the electrode stack (6101), and at least one second substrate tab (622) electrically connected to the negative electrodes (612) of the electrode stack (6101), which may be spaced apart from each other.

[0108] In FIGS. 9 and 10A, at least one first substrate tab (621) electrically connected to the positive electrodes (611) of the electrode stack (6101) is illustrated as 621a, 621b, 621c, and 621d, but the present disclosure is not limited thereto. The at least one first substrate tab (621) may be bundled together in a single bundle shape inside the battery case (510) (e.g., inside the case area (511)).

[0109] In FIG. 10b, at least one second substrate tab (622) electrically connected to the cathodes (612) of the electrode stack (6101) is illustrated as 622a, 622b, and 622c, but the present disclosure is not limited thereto. The at least one second substrate tab (622) may be bundled together in a single bundle shape inside the battery case (510) (e.g., inside the case area (511)).

[0110] According to one embodiment, as illustrated in FIG. 10A, at least one first substrate tab (621) may extend into a protruding region (512) and be welded (710) to an electrode tab (520) (e.g., a first electrode tab (521)) at the protruding region (512).

[0111] According to one embodiment, as illustrated in FIG. 10b, at least one second substrate tab (622) may extend into the protruding region (512) and be welded (710) to an electrode tab (520) (e.g., a second electrode tab (522)) at the protruding region (512).

[0112] The battery (350) according to one embodiment illustrated in FIGS. 9, 10A, and 10B, unlike the battery (350) illustrated in FIGS. 7, 8A, and 8B, may increase the capacity of the battery (350) by not bending at least one substrate tab (620). For example, the battery (350) according to one embodiment may not bend at least one substrate tab (620) inside the battery case (510) (e.g., inside the case area (511)), thereby increasing the volume occupied by the electrode stack (6101) inside the case (510), thereby increasing the energy density.

[0113] Fig. 11 is a conceptual diagram illustrating a state in which a protective film (1110) and a circuit film are attached to a battery (350) according to one embodiment. The battery (350) illustrated in Fig. 11 may be at least partially similar to the battery (350) described with reference to Figs. 4 to 10b.

[0114] Referring to FIG. 11, a battery (350) according to one embodiment has an electrode tab (520) disposed in a protruding area (512) of a battery case (510), and the electrode tab (520) can be combined with an FPCB (1120) and a protective film (1110) including a circuit (e.g., a protection circuit module (PCM)) related to the battery (350). For example, the electrode tab (520) can be disposed in a folded state in the protruding area (512), and an FPCB (1120) and a protective film (1110) including a circuit related to the battery (350) can be disposed on a third portion (521c) of the electrode tab (520) that is exposed to the outside.

[0115] In one embodiment, the protective film (1110) may cover the protruding area (512) of the battery (350) including the third portion (521c) of the electrode tab (520). For example, the protective film (1110) may be a film made of a flame-retardant material. In one embodiment, the protective film (1110) may be one type of flame-retardant film or two types of flame-retardant films.

[0116] FIG. 12 is a cross-sectional view of a portion of a battery with a protective film attached according to one embodiment.

[0117] The embodiment of FIG. 12 may be at least partially similar to the embodiments of FIGS. 7 and 8A. Below, only the embodiment of FIG. 12 that differs from the embodiments of FIGS. 7 and 8A will be described. Accordingly, features not described in FIG. 12 will be replaced by the description of the embodiments of FIGS. 7 and 8A.

[0118] The battery (350) according to the embodiment of Fig. 12 has a difference in that, unlike the embodiments of Figs. 7 and 8a, a protective film (1110) is combined.

[0119] According to one embodiment, the protective film (1110) may be positioned to cover a protruding area (512) of a battery case (510) including an electrode tab (520).

[0120] According to one embodiment, the protective film (1110) may be arranged in a folded state, similar to the electrode tab (520). According to one embodiment, the protective film (1110) may cover the third portion (521c) of the electrode tab (520) that is exposed to the outside and the protruding portion (512) of the battery case (510). According to one embodiment, the protective film (1110) may extend between the first portion (521a) and the second portion (521b) of the electrode tab (520). According to one embodiment, the protective film (1110) may extend to the bottom surface (512a) of the protruding portion (512) and cover the bottom surface (512a) of the protruding portion (512).

[0121] Fig. 13 is a cross-sectional view of a portion of a battery coupled with an FPCB according to one embodiment. Below, only the embodiment of Fig. 13, which differs from the embodiments of Figs. 7 and 8a, will be described. Accordingly, features not described in Fig. 13 will be replaced by the description of the embodiments of Figs. 7 and 8a.

[0122] The battery (350) according to the embodiment of FIG. 13 has a difference from the embodiments of FIGS. 7 and 8A in that the electrode tab (520) is coupled to an FPCB (1120) that includes a circuit (e.g., a protection circuit module (PCM)) associated with the battery (350).

[0123] According to one embodiment, at least a portion of the FPCB (1120) may be positioned between the first portion (521a) and the second portion (521b) of the electrode tab (520).

[0124] Fig. 14 is a cross-sectional view of a portion of a battery coupled with an FPCB according to another embodiment. Below, only the embodiment of Fig. 14, which differs from the embodiments of Figs. 7 and 8a, will be described. Accordingly, features not described in Fig. 14 will be replaced by descriptions of the embodiments of Figs. 7 and 8a.

[0125] The battery (350) according to the embodiment of FIG. 14 has a difference from the embodiments of FIGS. 7 and 8A in that the electrode tab (520) is coupled to an FPCB (1120) that includes a circuit (e.g., a protection circuit module (PCM)) associated with the battery (350).

[0126] According to one embodiment, at least a portion of the FPCB (1120) may be positioned between the second portion (521b) and the third portion (521c) of the electrode tab (520).

[0127] A battery (350) according to one embodiment of the present disclosure includes an electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are stacked in the thickness direction, a battery case (510) including a case region casing the electrode stack (6101), and a protruding region (512) extending from one side of the case region, a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding region (512), and an electrode tab (520) welded (710) to the plurality of substrate tabs (620) in the protruding region (512), wherein a portion of the electrode tabs (520) may be disposed in a folded state in the protruding region (512).

[0128] The above plurality of substrate tabs (620) may include a first substrate tab (621) electrically connected to the positive electrode (611), and a second substrate tab (622) spaced apart from the first substrate tab (621) and electrically connected to the negative electrode (612).

[0129] The electrode tab (520) may include a first electrode tab (521) welded to the first substrate tab (621), and a second electrode tab (522) spaced apart from the first electrode tab (521) in the protruding area (512) and welded to the second substrate tab (622).

[0130] The above protruding area (512) may further include a sealing member (720) covering a portion of the electrode tab (520).

[0131] The electrode tab (520) may include a first portion (521a) welded to the plurality of substrate tabs (620), a second portion (521b) extending from the first portion (521a) and covered by the sealing member (720), and a third portion (521c) extending from the second portion (521b) and positioned to be exposed to the outside of the battery case (510).

[0132] The electrode tab (520) is folded so that the first part (521a) and the second part (521b) overlap each other, and the second part (521b) and the third part (521c) overlap each other, so that the second part (521b) can be placed between the first part (521a) and the third part (521c).

[0133] In the above electrode tab (520), the third part (521c) can be placed on the second part (521b).

[0134] An FPCB (1120) including a circuit related to the battery (350) may be placed between the first portion (521a) and the second portion (521b) of the electrode tab (520).

[0135] An FPCB (1120) including a circuit related to the battery (350) may be placed between the second portion (521b) and the third portion (521c) of the electrode tab (520).

[0136] It may further include a protective film (1110) covering the third portion (521c) and the protruding area (512).

[0137] An electronic device according to one embodiment of the present disclosure includes a housing and a battery (350) disposed inside the housing, wherein the battery (350) includes an electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are stacked in a thickness direction, a case region casing the electrode stack (6101), and a battery case (510) including a protruding region (512) extending from one side of the case region, a plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding region (512), and an electrode tab (520) welded (710) to the plurality of substrate tabs (620) in the protruding region (512), wherein a portion of the electrode tabs (520) may be disposed in a folded state in the protruding region (512).

[0138] The above plurality of substrate tabs (620) may include a first substrate tab (621) electrically connected to the positive electrode (611), and a second substrate tab (622) spaced apart from the first substrate tab (621) and electrically connected to the negative electrode (612).

[0139] The electrode tab (520) may include a first electrode tab (521) welded to the first substrate tab (621), and a second electrode tab (522) spaced apart from the first electrode tab (521) in the protruding area (512) and welded to the second substrate tab (622).

[0140] The above protruding area (512) may further include a sealing member (720) covering a portion of the electrode tab (520).

[0141] The electrode tab (520) may include a first portion (521a) welded to the plurality of substrate tabs (620), a second portion (521b) extending from the first portion (521a) and covered by the sealing member (720), and a third portion (521c) extending from the second portion (521b) and positioned to be exposed to the outside of the battery case (510).

[0142] The electrode tab (520) is folded so that the first part (521a) and the second part (521b) overlap each other, and the second part (521b) and the third part (521c) overlap each other, so that the second part (521b) can be placed between the first part (521a) and the third part (521c).

[0143] In the above electrode tab (520), the third part (521c) can be placed on the second part (521b).

[0144] An FPCB (1120) including a circuit related to the battery (350) may be placed between the first portion (521a) and the second portion (521b) of the electrode tab (520).

[0145] An FPCB (1120) including a circuit related to the battery (350) may be placed between the second portion (521b) and the third portion (521c) of the electrode tab (520).

[0146] It may further include a protective film (1110) covering the third portion (521c) and the protruding area (512).

Claims

1. In the battery (350), An electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are laminated in the thickness direction; A battery case (510) including a case region enclosing the electrode stack (6101) and a protruding region (512) extending from one side of the case region; A plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding area (512); and In the above protruding area (512), the electrode tab (520) is welded (710) to the plurality of substrate tabs (620), In the above protruding area (512), a part of the electrode tab (520) is placed in a folded state. Battery (350).

2. In paragraph 1, The above multiple description tabs (620) are: A first substrate tab (621) electrically connected to the above anode (611); and A second substrate tab (622) is disposed at a distance from the first substrate tab (621) and is electrically connected to the cathode (612). Battery (350).

3. In paragraph 2, The above electrode tab (520) is A first electrode tab (521) welded to the first substrate tab (621); and A second electrode tab (522) is disposed at a distance from the first electrode tab (521) in the protruding area (512) and is welded to the second substrate tab (622). Battery (350).

4. In any one of paragraphs 1 to 3, Further comprising a sealing member (720) covering a portion of the electrode tab (520) in the protruding area (512). Battery (350).

5. In paragraph 4, The above electrode tab (520) is A first part (521a) welded to the above plurality of substrate tabs (620); A second part (521b) extending from the first part (521a) and covered by the sealing member (720); and Including a third part (521c) extending from the second part (521b) and positioned to be exposed to the outside of the battery case (510). Battery (350).

6. In paragraph 5, The electrode tab (520) is folded so that the first part (521a) and the second part (521b) overlap each other, and the second part (521b) and the third part (521c) are folded so that the second part (521b) overlaps each other, so that the second part (521b) is placed between the first part (521a) and the third part (521c). Battery (350).

7. In paragraph 6, In the above electrode tab (520), the third part (521c) is placed on the second part (521b). Battery (350).

8. In paragraph 7, An FPCB (1120) including a circuit related to the battery (350) is placed between the first part (521a) and the second part (521b) of the electrode tab (520). Battery (350).

9. In paragraph 7, An FPCB (1120) including a circuit related to the battery (350) is placed between the second part (521b) and the third part (521c) of the electrode tab (520). Battery (350).

10. In paragraph 7, Further comprising a protective film (1110) covering the third portion (521c) and the protruding area (512). Battery (350).

11. In electronic devices, Housing; and Includes a battery (350) placed inside the housing, The above battery (350) is An electrode stack (6101) in which a plurality of electrode assemblies (610) including a positive electrode (611), a negative electrode (612), and a separator (613) disposed between the positive electrode (611) and the negative electrode (612) are laminated in the thickness direction; A battery case (510) including a case region enclosing the electrode stack (6101) and a protruding region (512) extending from one side of the case region; A plurality of substrate tabs (620) extending from the plurality of electrode assemblies (610) to the protruding area (512); and In the above protruding area (512), the electrode tab (520) is welded (710) to the plurality of substrate tabs (620), In the above protruding area (512), a part of the electrode tab (520) is placed in a folded state. Electronic devices.

12. In paragraph 11, The above multiple description tabs (620) are: A first substrate tab (621) electrically connected to the above anode (611); and A second substrate tab (622) is disposed at a distance from the first substrate tab (621) and is electrically connected to the cathode (612). Electronic devices.

13. In paragraph 11, The above electrode tab (520) is A first electrode tab (521) welded to the first substrate tab (621); and A second electrode tab (522) is disposed at a distance from the first electrode tab (521) in the protruding area (512) and is welded to the second substrate tab (622). Electronic devices.

14. In any one of paragraphs 11 to 13, Further comprising a sealing member (720) covering a portion of the electrode tab (520) in the protruding area (512). Electronic devices.

15. In paragraph 14, The above electrode tab (520) is A first part (521a) welded to the above plurality of substrate tabs (620); A second part (521b) extending from the first part (521a) and covered by the sealing member (720); and Including a third part (521c) extending from the second part (521b) and positioned to be exposed to the outside of the battery case (510). Electronic devices.

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